DoubleWrapper.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.kernel.util; 24 25 /** 26 * <a href="DoubleWrapper.java.html"><b><i>View Source</i></b></a> 27 * 28 * @author Brian Wing Shun Chan 29 */ 30 public class DoubleWrapper 31 extends PrimitiveWrapper implements Comparable<DoubleWrapper> { 32 33 public static final Class<?> TYPE = Double.TYPE; 34 35 public DoubleWrapper() { 36 this(0D); 37 } 38 39 public DoubleWrapper(double value) { 40 _value = value; 41 } 42 43 public int compareTo(DoubleWrapper doubleWrapper) { 44 if (doubleWrapper == null) { 45 return 1; 46 } 47 48 if (getValue() > doubleWrapper.getValue()) { 49 return 1; 50 } 51 else if (getValue() < doubleWrapper.getValue()) { 52 return -1; 53 } 54 else { 55 return 0; 56 } 57 } 58 59 public double getValue() { 60 return _value; 61 } 62 63 public void setValue(double value) { 64 _value = value; 65 } 66 67 public double increment() { 68 return ++_value; 69 } 70 71 public double decrement() { 72 return --_value; 73 } 74 75 private double _value; 76 77 }